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Timer Circuit Operation Quiz

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Questions and Answers

What is the formula for the total time period of the output waveform in an astable multivibrator circuit?

T = 0.693 (RA + 2RB) C

How is the frequency of oscillation calculated in an astable multivibrator circuit?

f = 1 / 1.44(T)(RA + 2RB)C

What is the duty cycle of an astable multivibrator circuit?

Duty Cycle = D = (ton / T) * 100% = (RA / (RA + 2RB)) * 100%

What is the significance of the ON TIME in an astable multivibrator circuit?

ON TIME is equal to the charging time in the circuit. Signup and view all the answers

What happens during the discharging time in an astable multivibrator circuit?

The capacitor discharges from 2VCC/3 to VCC/3. Signup and view all the answers

In an astable multivibrator circuit, what is the formula for the OFF TIME of the output waveform?

tOFF = td = 0.693 RB C Signup and view all the answers

What are some applications of an astable multivibrator circuit?

Square wave oscillator, Free running ramp generator, Voltage control oscillator (VCO) Signup and view all the answers

How is the ON TIME related to the charging time in an astable multivibrator circuit?

ON TIME (ton) is equal to the charging time (tc). Signup and view all the answers

What is the relationship between the total time period and the frequency of oscillation in an astable multivibrator circuit?

Frequency = 1 / Total Time Period Signup and view all the answers

Define duty cycle in the context of an astable multivibrator circuit.

Duty cycle is the ratio of on time to the total time period, expressed as a percentage. Signup and view all the answers